Examine source code of Skribble Hebrew Fix

{
  "manifest_version": 2,
  "name": "Skribble Hebrew Fix",
  "version": "1.0",
  "description": "Fixes the text direction of Hebrew text on skribble.io",
  "content_scripts": [
    {
      "matches": [
        "*://*.skribbl.io/*"
      ],
      "js": [
        "skribble-fix.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b1258a0-13a6-4f0e-babb-3f976bfae273}"
    }
  }
}